<template>
  <div id="app">
    <h1>什么是Vue中Render函数？</h1>
    <Heading tag="ul" />
  </div>
</template>

<script>
import Heading from './Heading';

export default {
  components: {
    Heading
  }
}
</script>

<style>
#app {
  text-align: center;
}
</style>